Navajo Sandstone
E129870
Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Navajo Sandstone canonical | 14 |
| Colorado Plateau sandstone | 1 |
| Navajo Sandstone cliffs | 1 |
| Wingate Sandstone | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128585 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Navajo Sandstone Context triple: [Colorado Plateau, notableRockFormations, Navajo Sandstone]
-
A.
Painted Desert
The Painted Desert is a colorful badlands region in northern Arizona, renowned for its layered bands of red, orange, and purple rock formations within the Colorado Plateau.
-
B.
Mogollon Rim
The Mogollon Rim is a prominent escarpment in central Arizona that forms the southern edge of the Colorado Plateau, known for its dramatic cliffs, forests, and expansive views.
-
C.
Desolation Canyon
Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
-
D.
Moab Mountains
The Moab Mountains are a rugged, arid mountain range in western Jordan, rising above the eastern shore of the Dead Sea and forming part of the historic region of Moab.
-
E.
Hovenweep National Monument
Hovenweep National Monument is a U.S. National Monument known for its well-preserved ancestral Puebloan ruins and stone towers scattered across remote canyons and mesas in the American Southwest.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Navajo Sandstone Target entity description: Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
-
A.
Painted Desert
The Painted Desert is a colorful badlands region in northern Arizona, renowned for its layered bands of red, orange, and purple rock formations within the Colorado Plateau.
-
B.
Mogollon Rim
The Mogollon Rim is a prominent escarpment in central Arizona that forms the southern edge of the Colorado Plateau, known for its dramatic cliffs, forests, and expansive views.
-
C.
Desolation Canyon
Desolation Canyon is a remote, rugged gorge in Death Valley National Park known for its colorful badlands, narrow washes, and scenic hiking routes through eroded desert terrain.
-
D.
Moab Mountains
The Moab Mountains are a rugged, arid mountain range in western Jordan, rising above the eastern shore of the Dead Sea and forming part of the historic region of Moab.
-
E.
Hovenweep National Monument
Hovenweep National Monument is a U.S. National Monument known for its well-preserved ancestral Puebloan ruins and stone towers scattered across remote canyons and mesas in the American Southwest.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| cementType |
calcite cement
ⓘ
iron oxide cement ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalSetting | arid continental ⓘ |
| diageneticFeature |
color banding
ⓘ
iron concretions ⓘ |
| environmentOfDeposition |
eolian dune field
ⓘ
erg ⓘ |
| exposedIn |
Arizona
ⓘ
Colorado ⓘ New Mexico ⓘ Utah ⓘ |
| formsLandformsAt |
Arches National Park
ⓘ
Canyonlands National Park ⓘ Capitol Reef National Park ⓘ Glen Canyon National Recreation Area ⓘ Zion National Park ⓘ |
| fossilContent |
dinosaur tracks
ⓘ
invertebrate trace fossils ⓘ vertebrate burrows ⓘ |
| geologicAge | Jurassic ⓘ |
| geologicPeriod | Early Jurassic ⓘ |
| grainSize | fine to medium ⓘ |
| knownFor |
iconic desert landscapes
ⓘ
photogenic red rock scenery ⓘ |
| lithology | sandstone ⓘ |
| namedFor | Navajo people ⓘ |
| notableFeature |
large-scale cross-bedding
ⓘ
steep canyon walls ⓘ sweeping cliffs ⓘ |
| overlies | Kayenta Formation ⓘ |
| partOf | Colorado Plateau ⓘ |
| permeability | high ⓘ |
| porosity | high ⓘ |
| primarySediment | quartz sand ⓘ |
| regionalExtent | southwestern United States ⓘ |
| role | aquifer ⓘ |
| stratigraphicUnitOf |
Kayenta Formation
ⓘ
surface form:
Glen Canyon Group
|
| thickness | up to several hundred meters ⓘ |
| typicalColor |
pale
ⓘ
reddish ⓘ |
| underlies |
Carmel Formation
ⓘ
Temple Cap Formation ⓘ |
| weatheringPattern |
rounded domes
ⓘ
slickrock surfaces ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Navajo Sandstone Description of subject: Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Wingate Sandstone
this entity surface form:
Colorado Plateau sandstone
this entity surface form:
Navajo Sandstone cliffs